C
Post-quantum TLS readiness
aftonbladet.se
Needs an upgrade: no TLS 1.3
Short answer
No. As of 2026-11-09, aftonbladet.se does not negotiate post-quantum key exchange; it uses secp256r1 over TLSv1.2 (Quantum Aether grade C), so recorded traffic is exposed to harvest-now-decrypt-later.
| Grade | C |
|---|---|
| Key exchange | secp256r1 |
| Post-quantum | no (classical) |
| TLS | TLSv1.2 |
| Hosting network | Amazon.com, Inc. |
| Tranco rank | #1204 |
| Country | 🇸🇪 Sweden: #3/24 (63.6%) |
From our weekly tracker of the top 10,000 sites, scanned on 2026-11-09 · /adoption
Weekly history
| Week | Grade | Key exchange | Post-quantum |
|---|---|---|---|
| 2026-W46 | C | secp256r1 | no |
| 2026-W45 | C | secp256r1 | no |
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Markdown
[](https://ather-quantum.com/verify/aftonbladet.se)